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Finding the Fourth Proportional to 3,498.12, 5,247.54 and 901.08

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Solution

The fourth proportional to 3,498.12, 5,247.54 and 901.08 is: 1,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.12 : 5,247.54 = 901.08 : x
  2. Step 2: Convert to fraction form
    3,498.12/5,247.54 = 901.08/x
  3. Step 3: Cross multiply
    3,498.12x = 5,247.54 × 901.08
  4. Step 4: Simplify right side
    3,498.12x = 4,728,453.34
  5. Step 5: Solve for x
    x = 4,728,453.34/3,498.12
  6. Step 6: Final answer
    x = 1,351.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.